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Effects of Jatropha curcas oil inLactuca sativa root tip bioassays Anais da ABC (AABC)
ANDRADE-VIEIRA,LARISSA F.; BOTELHO,CAROLINA M.; LAVIOLA,BRUNO G.; PALMIERI,MARCEL J.; PRAÇA-FONTES,MILENE M..
Jatropha curcas L. (Euphorbiaceae) is important for biofuel production and as a feed ingredient for animal. However, the presence of phorbol esters in the oil and cake renders the seeds toxic. The toxicity ofJ. curcas oil is currently assessed by testing in animals, leading to their death. The identification of toxic and nontoxic improved varieties is important for the safe use of J. curcas seeds and byproducts to avoid their environmental toxicity. Hence, the aim of this study was to propose a short-term bioassay using a plant as a model to screen the toxicity of J. curcas oil without the need to sacrifice any animals. The toxicity of J. curcas oil was evident in germination, root elongation and chromosomal aberration tests in Lactuca sativa. It was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chromosomal aberration; Germination rate; Lactuca sativa; Phorbol esters; Root elongation.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000100373
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Analysis of morpho-agronomic and climatic variables in successive agricultural years provides novel information regarding the phenological cycle of Jatropha in conditions of the Brazilian cerrado Anais da ABC (AABC)
DOMICIANO,GISELE P.; ALVES,ALEXANDRE A.; LAVIOLA,BRUNO G.; ALBRECHT,JULIO C..
Phenological studies can provide information that enables the understanding of the dynamics of plants and how these dynamics are related to the biotic and abiotic environment. In order to study the phenological phases of Jatropha during two agricultural years, agronomic and climatic variables, such as temperature and rainfall, were evaluated. Data for each variable in each year and each genotype were subjected to analysis of variance (ANOVA) and the differences were tested at 5% probability by F test. In addition, the correlation of growth behavior and reproductive development of two Jatropha accessions (CNPAE-102 and CNPAE-169) as a function of time elapsed after the start of the phenological cycle with climatic variables were analyzed through Pearson's...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Jatropha curcas; Flowering; Growth; Yield.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000401985
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